• Wei Chen, Dezhi Tang, Liangqi Kang, Zhenqi Ding, Mo Sha, and Jiayuan Hong.
• Department of Orthopaedics, Southeast Hospital of Xiamen University, Zhangzhou, Fujian, China.
• Arch Orthop Trauma Surg. 2012 Apr 1;132(4):429-35.

IntroductionThere are various surgical approaches for the treatment of posterior cruciate ligament (PCL) injury-associated tibial fracture avulsion, including arthroscopy-assisted surgery and open posterior surgery. However, none of these treatments are perfect. We have established a simple procedure with microendoscopy-assisted reduction and cannulated screw fixation for the treatment of this disease through a single mini-incision. In this study, we delineated the effects of this surgical approach for patients with PCL tibial avulsion fracture.Patients And MethodsWe retrospectively reviewed 24 patients with acute PCL tibial avulsion fracture treated via this method from 2004 to 2008. All the patients were implanted with cannulated screws (AO/ASIF, 3.5, 4.0 or 4.5 mm in diameter, 3-4 mm in length) for fixation by microendoscopy. The posterior drawer test (PDT) and KT-2000 arthrometer examination were performed to evaluate knee stability. The Lysholm knee scoring scale and the International Knee Documentation Committee (IKDC) scoring scale were used to assess knee function. Types and rates of complications and radiographic follow-up were reviewed for all cases.Results23 of 24 cases achieved knee stability by PDT and KT-2000 examination. The Lysholm's score was improved from 43.8 ± 4.6 to 95.3 ± 3.8. The IKDC evaluation demonstrated an improved function in 17 cases with grade A, 6 with grade B, and 1 with grade C. No relevant complications were experienced by any patient.ConclusionsIncreased stability, functional improvement, and few complications were observed in patients of PCL injury-associated tibial fracture avulsion treated with the microendoscopy-assisted reduction and cannulated screw fixation through a single mini-incision.

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